ID: 152

AQSQID: 060371701

Site Name: Pomona

Added: April 21, 2020, 6:24 p.m.

Updated: Aug. 4, 2020, 1:41 p.m.

Location: Pomona (Wilton Heights), CA

Reporting: True, Located: True

Current AQI: 14.0

Pomona (Wilton Heights) CA, US: 34.0667, -117.7506

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 4, 2020, noon 12.2 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A N/A 14.0
 
Aug. 4, 2020, 11 a.m. 10.3 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.18 ppb (2) N/A N/A 15.0
 
Aug. 4, 2020, 10 a.m. 11.1 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.19 ppb (2) N/A N/A 13.0
 
Aug. 4, 2020, 9 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.19 ppb (2) N/A N/A 14.0
 
Aug. 4, 2020, 8 a.m. 11.5 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.21 ppb (2) N/A N/A 15.0
 
Aug. 4, 2020, 7 a.m. 13.3 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.22 ppb (2) N/A N/A 15.0
 
Aug. 4, 2020, 6 a.m. 12.8 ppb (12) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A N/A 17.0
 
Aug. 4, 2020, 5 a.m. 12.5 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.23 ppb (3) N/A N/A 18.0
 
Aug. 4, 2020, 4 a.m. 12.0 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A N/A 22.0
 
Aug. 4, 2020, 3 a.m. 11.1 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A N/A 27.0
 
Aug. 4, 2020, 2 a.m. 11.1 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) 0.23 ppb (3) N/A N/A 34.0
 
Aug. 4, 2020, 1 a.m. 8.8 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) 0.22 ppb (2) N/A N/A 43.0
 
Aug. 4, 2020, midnight 8.9 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 61.0 ppb (47) 0.2 ppb (2) N/A N/A 47.0
 
Aug. 3, 2020, 11 p.m. 7.0 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 62.0 ppb (48) 0.2 ppb (2) N/A N/A 48.0
 
Aug. 3, 2020, 10 p.m. 6.4 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 67.0 ppb (52) 0.22 ppb (2) N/A N/A 52.0
 
Aug. 3, 2020, 9 p.m. 7.4 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (48) 0.21 ppb (2) N/A N/A 48.0
 
Aug. 3, 2020, 8 p.m. 10.7 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 74.0 ppb (57) 0.26 ppb (3) N/A N/A 57.0
 
Aug. 3, 2020, 7 p.m. 16.6 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A N/A 74.0 ppb (57) 0.33 ppb (4) N/A N/A 57.0
 
Aug. 3, 2020, 6 p.m. 11.3 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 68.0 ppb (52) 0.25 ppb (3) N/A N/A 52.0
 
Aug. 3, 2020, 5 p.m. 28.3 ppb (26) 7.2 ppb (7) N/A 21.0 ppb (19) N/A N/A 44.0 ppb (34) 0.34 ppb (4) N/A N/A 34.0
 
Aug. 3, 2020, 4 p.m. 58.0 ppb (54) 25.7 ppb (24) N/A 32.0 ppb (30) N/A N/A 20.0 ppb (15) 0.46 ppb (5) N/A N/A 54.0
 
Aug. 3, 2020, 3 p.m. 60.9 ppb (57) 31.9 ppb (30) N/A 29.0 ppb (27) N/A N/A 12.0 ppb (9) 0.56 ppb (6) N/A N/A 57.0
 
Aug. 3, 2020, 2 p.m. 52.9 ppb (49) 30.0 ppb (28) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) 0.57 ppb (6) N/A N/A 49.0
 
Aug. 3, 2020, 1 p.m. 32.6 ppb (30) 15.6 ppb (14) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.42 ppb (5) N/A N/A 30.0
 
Aug. 3, 2020, noon 25.2 ppb (23) 8.5 ppb (8) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.35 ppb (4) N/A N/A 23.0
 
Aug. 3, 2020, 11 a.m. 20.8 ppb (19) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.29 ppb (3) N/A N/A 19.0
 
Aug. 3, 2020, 10 a.m. 15.8 ppb (15) 2.5 ppb (2) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.28 ppb (3) N/A N/A 15.0
 
Aug. 3, 2020, 9 a.m. 13.9 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.22 ppb (2) N/A N/A 13.0
 
Aug. 3, 2020, 8 a.m. 10.9 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.22 ppb (2) N/A N/A 11.0
 
Aug. 3, 2020, 7 a.m. 12.4 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A N/A 12.0
 
Aug. 3, 2020, 6 a.m. 11.1 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.23 ppb (3) N/A N/A 13.0
 
Aug. 3, 2020, 5 a.m. 10.1 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Aug. 3, 2020, 4 a.m. 9.0 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A N/A 17.0
 
Aug. 3, 2020, 3 a.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.19 ppb (2) N/A N/A 19.0
 
Aug. 3, 2020, 2 a.m. 6.2 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
Aug. 3, 2020, 1 a.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A N/A 32.0
 
Aug. 3, 2020, midnight 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) 0.15 ppb (2) N/A N/A 38.0
 
Aug. 2, 2020, 11 p.m. 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) 0.17 ppb (2) N/A N/A 40.0
 
Aug. 2, 2020, 10 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) 0.18 ppb (2) N/A N/A 44.0
 
Aug. 2, 2020, 9 p.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) 0.21 ppb (2) N/A N/A 49.0
 
Aug. 2, 2020, 8 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 74.0 ppb (57) 0.23 ppb (3) N/A N/A 57.0
 
Aug. 2, 2020, 7 p.m. 7.9 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 86.0 ppb (68) 0.28 ppb (3) N/A N/A 68.0
 
Aug. 2, 2020, 6 p.m. 7.0 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 80.0 ppb (62) 0.24 ppb (3) N/A N/A 62.0
 
Aug. 2, 2020, 5 p.m. 13.6 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 65.0 ppb (50) 0.32 ppb (4) N/A N/A 50.0
 
Aug. 2, 2020, 4 p.m. 21.6 ppb (20) 4.6 ppb (4) N/A 17.0 ppb (16) N/A N/A 44.0 ppb (34) 0.38 ppb (4) N/A N/A 34.0
 
Aug. 2, 2020, 3 p.m. 36.6 ppb (34) 11.7 ppb (11) N/A 25.0 ppb (23) N/A N/A 24.0 ppb (18) 0.46 ppb (5) N/A N/A 34.0
 
Aug. 2, 2020, 2 p.m. 28.2 ppb (26) 7.4 ppb (7) N/A 21.0 ppb (19) N/A N/A 18.0 ppb (14) 0.44 ppb (5) N/A N/A 26.0
 
Aug. 2, 2020, 1 p.m. 32.7 ppb (30) 9.8 ppb (9) N/A 23.0 ppb (21) N/A N/A 6.0 ppb (5) 0.48 ppb (5) N/A N/A 30.0
 
Aug. 2, 2020, noon 26.8 ppb (25) 3.9 ppb (4) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.43 ppb (5) N/A N/A 25.0
 
Aug. 2, 2020, 11 a.m. 22.4 ppb (21) 2.3 ppb (2) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.39 ppb (4) N/A N/A 21.0
 
Aug. 2, 2020, 10 a.m. 25.1 ppb (23) 3.3 ppb (3) N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.44 ppb (5) N/A N/A 23.0
 
Aug. 2, 2020, 9 a.m. 23.2 ppb (21) 2.5 ppb (2) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) 0.42 ppb (5) N/A N/A 21.0
 
Aug. 2, 2020, 8 a.m. 18.2 ppb (17) 2.3 ppb (2) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) 0.41 ppb (5) N/A N/A 17.0
 
Aug. 2, 2020, 7 a.m. 14.6 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A N/A 16.0
 
Aug. 2, 2020, 6 a.m. 18.3 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A N/A 17.0
 
Aug. 2, 2020, 5 a.m. 14.5 ppb (13) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A N/A 18.0
 
Aug. 2, 2020, 4 a.m. 11.2 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A N/A 23.0
 
Aug. 2, 2020, 3 a.m. 10.0 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.26 ppb (3) N/A N/A 29.0
 
Aug. 2, 2020, 2 a.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (37) 0.24 ppb (3) N/A N/A 37.0
 
Aug. 2, 2020, 1 a.m. 5.7 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (41) 0.19 ppb (2) N/A N/A 41.0
 
Aug. 2, 2020, midnight 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) 0.18 ppb (2) N/A N/A 44.0
 
Aug. 1, 2020, 11 p.m. 4.7 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (47) 0.18 ppb (2) N/A N/A 47.0
 
Aug. 1, 2020, 10 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 67.0 ppb (52) 0.19 ppb (2) N/A N/A 52.0
 
Aug. 1, 2020, 9 p.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 75.0 ppb (58) 0.22 ppb (2) N/A N/A 58.0
 
Aug. 1, 2020, 8 p.m. 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 81.0 ppb (63) 0.26 ppb (3) N/A N/A 63.0
 
Aug. 1, 2020, 7 p.m. 10.9 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 88.0 ppb (69) 0.33 ppb (4) N/A N/A 69.0
 
Aug. 1, 2020, 6 p.m. 10.3 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 79.0 ppb (62) 0.29 ppb (3) N/A N/A 62.0
 
Aug. 1, 2020, 5 p.m. 24.8 ppb (23) 4.8 ppb (4) N/A 20.0 ppb (19) N/A N/A 62.0 ppb (48) 0.39 ppb (4) N/A N/A 48.0
 
Aug. 1, 2020, 4 p.m. 49.5 ppb (46) 13.7 ppb (13) N/A 36.0 ppb (33) N/A N/A 38.0 ppb (29) 0.55 ppb (6) N/A N/A 46.0
 
Aug. 1, 2020, 3 p.m. 71.6 ppb (69) 27.8 ppb (26) N/A 44.0 ppb (41) N/A N/A 20.0 ppb (15) 0.68 ppb (8) N/A N/A 69.0
 
Aug. 1, 2020, 2 p.m. 58.0 ppb (54) 23.5 ppb (22) N/A 35.0 ppb (32) N/A N/A 14.0 ppb (11) 0.57 ppb (6) N/A N/A 54.0
 
Aug. 1, 2020, 1 p.m. 36.0 ppb (33) 7.3 ppb (7) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) 0.43 ppb (5) N/A N/A 33.0
 
Aug. 1, 2020, noon 35.8 ppb (33) 5.4 ppb (5) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 0.38 ppb (4) N/A N/A 33.0
 
Aug. 1, 2020, 11 a.m. 37.4 ppb (35) 6.3 ppb (6) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.47 ppb (5) N/A N/A 35.0
 
Aug. 1, 2020, 10 a.m. 47.7 ppb (44) 16.1 ppb (15) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.61 ppb (7) N/A N/A 44.0
 
Aug. 1, 2020, 9 a.m. 50.2 ppb (46) 18.0 ppb (17) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.64 ppb (7) N/A N/A 46.0
 
Aug. 1, 2020, 8 a.m. 41.2 ppb (38) 8.6 ppb (8) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.6 ppb (7) N/A N/A 38.0
 
Aug. 1, 2020, 7 a.m. 34.1 ppb (32) 1.8 ppb (2) N/A 32.0 ppb (30) N/A N/A 10.0 ppb (8) 0.47 ppb (5) N/A N/A 32.0
 
Aug. 1, 2020, 6 a.m. 29.4 ppb (27) 1.9 ppb (2) N/A 27.0 ppb (25) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A N/A 27.0
 
Aug. 1, 2020, 5 a.m. 22.2 ppb (21) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 29.0 ppb (22) 0.39 ppb (4) N/A N/A 22.0
 
Aug. 1, 2020, 4 a.m. 25.3 ppb (23) 2.1 ppb (2) N/A 23.0 ppb (21) N/A N/A 29.0 ppb (22) 0.44 ppb (5) N/A N/A 23.0
 
Aug. 1, 2020, 3 a.m. 20.8 ppb (19) 1.1 ppb (1) N/A 20.0 ppb (19) N/A N/A 39.0 ppb (30) 0.42 ppb (5) N/A N/A 30.0
 
Aug. 1, 2020, 2 a.m. 15.8 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 54.0 ppb (42) 0.3 ppb (3) N/A N/A 42.0
 
Aug. 1, 2020, 1 a.m. 14.9 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 78.0 ppb (61) 0.32 ppb (4) N/A N/A 61.0
 
Aug. 1, 2020, midnight 14.3 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 97.0 ppb (77) 0.34 ppb (4) N/A N/A 77.0
 
July 31, 2020, 11 p.m. 12.2 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 105.0 ppb (83) 0.32 ppb (4) N/A N/A 83.0
 
July 31, 2020, 10 p.m. 13.9 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 121.0 ppb (97) 0.37 ppb (4) N/A N/A 97.0
 
July 31, 2020, 9 p.m. 13.3 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 123.0 ppb (98) 0.36 ppb (4) N/A N/A 98.0
 
July 31, 2020, 8 p.m. 19.4 ppb (18) 1.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 113.0 ppb (90) 0.42 ppb (5) N/A N/A 90.0
 
July 31, 2020, 7 p.m. 26.0 ppb (24) 3.0 ppb (3) N/A 23.0 ppb (21) N/A N/A 88.0 ppb (69) 0.43 ppb (5) N/A N/A 69.0
 
July 31, 2020, 6 p.m. 27.1 ppb (25) 3.5 ppb (3) N/A 24.0 ppb (22) N/A N/A 77.0 ppb (60) 0.45 ppb (5) N/A N/A 60.0
 
July 31, 2020, 5 p.m. 18.7 ppb (17) 2.3 ppb (2) N/A 16.0 ppb (15) N/A N/A 78.0 ppb (61) 0.38 ppb (4) N/A N/A 61.0
 
July 31, 2020, 4 p.m. 44.0 ppb (41) 11.3 ppb (10) N/A 33.0 ppb (31) N/A N/A 42.0 ppb (32) 0.49 ppb (5) N/A N/A 41.0
 
July 31, 2020, 3 p.m. 70.9 ppb (68) 27.7 ppb (26) N/A 43.0 ppb (40) N/A N/A 21.0 ppb (16) 0.63 ppb (7) N/A N/A 68.0
 
July 31, 2020, 2 p.m. 89.0 ppb (87) 47.4 ppb (44) N/A 42.0 ppb (39) N/A N/A 11.0 ppb (8) 0.88 ppb (10) N/A N/A 87.0
 
July 31, 2020, 1 p.m. 75.7 ppb (73) 41.4 ppb (38) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) 0.81 ppb (9) N/A N/A 73.0
 
July 31, 2020, noon 54.6 ppb (51) 21.8 ppb (20) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.58 ppb (6) N/A N/A 51.0
 
July 31, 2020, 11 a.m. 53.1 ppb (49) 20.3 ppb (19) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.54 ppb (6) N/A N/A 49.0
 
July 31, 2020, 10 a.m. 71.3 ppb (68) 33.7 ppb (31) N/A 37.0 ppb (34) N/A N/A 4.0 ppb (3) 0.61 ppb (7) N/A N/A 68.0
 
July 31, 2020, 9 a.m. 58.4 ppb (55) 20.1 ppb (19) N/A 38.0 ppb (35) N/A N/A 4.0 ppb (3) 0.51 ppb (6) N/A N/A 55.0
 
July 31, 2020, 8 a.m. 40.2 ppb (37) 8.9 ppb (8) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) 0.5 ppb (6) N/A N/A 37.0
 
July 31, 2020, 7 a.m. 24.3 ppb (23) 1.4 ppb (1) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A N/A 23.0
 
July 31, 2020, 6 a.m. 24.3 ppb (23) 1.1 ppb (1) N/A 23.0 ppb (21) N/A N/A 17.0 ppb (13) 0.37 ppb (4) N/A N/A 23.0
 
July 31, 2020, 5 a.m. 23.7 ppb (22) 1.2 ppb (1) N/A 23.0 ppb (21) N/A N/A 23.0 ppb (18) 0.37 ppb (4) N/A N/A 22.0
 
July 31, 2020, 4 a.m. 19.3 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
July 31, 2020, 3 a.m. 17.7 ppb (16) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 39.0 ppb (30) 0.37 ppb (4) N/A N/A 30.0
 
July 31, 2020, 2 a.m. 14.8 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 50.0 ppb (38) 0.31 ppb (3) N/A N/A 38.0
 
July 31, 2020, 1 a.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 70.0 ppb (54) 0.25 ppb (3) N/A N/A 54.0
 
July 31, 2020, midnight 13.6 ppb (13) 1.4 ppb (1) N/A 12.0 ppb (11) N/A N/A 88.0 ppb (69) 0.32 ppb (4) N/A N/A 69.0
 
July 30, 2020, 11 p.m. 14.5 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 102.0 ppb (81) 0.35 ppb (4) N/A N/A 81.0
 
July 30, 2020, 10 p.m. 13.2 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 120.0 ppb (96) 0.36 ppb (4) N/A N/A 96.0
 
July 30, 2020, 9 p.m. 11.4 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 105.0 ppb (83) 0.32 ppb (4) N/A N/A 83.0
 
July 30, 2020, 8 p.m. 11.2 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 92.0 ppb (72) 0.29 ppb (3) N/A N/A 72.0
 
July 30, 2020, 7 p.m. 20.4 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 78.0 ppb (61) 0.41 ppb (5) N/A N/A 61.0
 
July 30, 2020, 6 p.m. 30.7 ppb (28) 6.4 ppb (6) N/A 24.0 ppb (22) N/A N/A 57.0 ppb (44) 0.44 ppb (5) N/A N/A 44.0
 
July 30, 2020, 5 p.m. 39.0 ppb (36) 11.1 ppb (10) N/A 28.0 ppb (26) N/A N/A 39.0 ppb (30) 0.46 ppb (5) N/A N/A 36.0
 
July 30, 2020, 4 p.m. 53.2 ppb (49) 22.2 ppb (21) N/A 31.0 ppb (29) N/A N/A 24.0 ppb (18) 0.53 ppb (6) N/A N/A 49.0
 
July 30, 2020, 3 p.m. 58.4 ppb (55) 31.3 ppb (29) N/A 27.0 ppb (25) N/A N/A 13.0 ppb (10) 0.49 ppb (5) N/A N/A 55.0
 
July 30, 2020, 2 p.m. 58.0 ppb (54) 32.4 ppb (30) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.54 ppb (6) N/A N/A 54.0
 
July 30, 2020, 1 p.m. 45.8 ppb (42) 21.7 ppb (20) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.51 ppb (6) N/A N/A 42.0
 
July 30, 2020, noon 37.1 ppb (34) 11.3 ppb (10) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.43 ppb (5) N/A N/A 34.0
 
July 30, 2020, 11 a.m. 35.9 ppb (33) 8.5 ppb (8) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) 0.36 ppb (4) N/A N/A 33.0
 
July 30, 2020, 10 a.m. 36.6 ppb (34) 8.6 ppb (8) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.37 ppb (4) N/A N/A 34.0
 
July 30, 2020, 9 a.m. 30.6 ppb (28) 2.6 ppb (2) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.36 ppb (4) N/A N/A 28.0
 
July 30, 2020, 8 a.m. 28.3 ppb (26) 2.5 ppb (2) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.39 ppb (4) N/A N/A 26.0
 
July 30, 2020, 7 a.m. 30.4 ppb (28) 2.0 ppb (2) N/A 28.0 ppb (26) N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A N/A 28.0
 
July 30, 2020, 6 a.m. 30.8 ppb (29) 2.1 ppb (2) N/A 29.0 ppb (27) N/A N/A 14.0 ppb (11) 0.43 ppb (5) N/A N/A 29.0
 
July 30, 2020, 5 a.m. 22.8 ppb (21) 1.7 ppb (2) N/A 21.0 ppb (19) N/A N/A 29.0 ppb (22) 0.32 ppb (4) N/A N/A 22.0
 
July 30, 2020, 4 a.m. 20.0 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A N/A 34.0 ppb (26) 0.3 ppb (3) N/A N/A 26.0
 
July 30, 2020, 3 a.m. 20.3 ppb (19) 1.9 ppb (2) N/A 18.0 ppb (17) N/A N/A 39.0 ppb (30) 0.3 ppb (3) N/A N/A 30.0
 
July 30, 2020, 2 a.m. 20.8 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 46.0 ppb (35) 0.34 ppb (4) N/A N/A 35.0
 
July 30, 2020, 1 a.m. 14.2 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 72.0 ppb (56) 0.3 ppb (3) N/A N/A 56.0
 
July 30, 2020, midnight 12.0 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 89.0 ppb (70) 0.29 ppb (3) N/A N/A 70.0
 
July 29, 2020, 11 p.m. 12.6 ppb (12) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 95.0 ppb (75) 0.29 ppb (3) N/A N/A 75.0
 
July 29, 2020, 10 p.m. 12.8 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 91.0 ppb (72) 0.29 ppb (3) N/A N/A 72.0
 
July 29, 2020, 9 p.m. 15.5 ppb (14) 1.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 99.0 ppb (78) 0.35 ppb (4) N/A N/A 78.0
 
July 29, 2020, 8 p.m. 20.2 ppb (19) 2.4 ppb (2) N/A 18.0 ppb (17) N/A N/A 83.0 ppb (65) 0.36 ppb (4) N/A N/A 65.0
 
July 29, 2020, 7 p.m. 22.6 ppb (21) 3.8 ppb (4) N/A 19.0 ppb (18) N/A N/A 65.0 ppb (50) 0.36 ppb (4) N/A N/A 50.0
 
July 29, 2020, 6 p.m. 24.6 ppb (23) 5.7 ppb (5) N/A 19.0 ppb (18) N/A N/A 50.0 ppb (38) 0.37 ppb (4) N/A N/A 38.0
 
July 29, 2020, 5 p.m. 34.4 ppb (32) 10.7 ppb (10) N/A 24.0 ppb (22) N/A N/A 35.0 ppb (27) 0.41 ppb (5) N/A N/A 32.0
 
July 29, 2020, 4 p.m. 42.3 ppb (39) 15.7 ppb (15) N/A 27.0 ppb (25) N/A N/A 26.0 ppb (20) 0.49 ppb (5) N/A N/A 39.0
 
July 29, 2020, 3 p.m. 40.4 ppb (37) 17.3 ppb (16) N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.49 ppb (5) N/A N/A 37.0
 
July 29, 2020, 2 p.m. 38.2 ppb (35) 17.5 ppb (16) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.4 ppb (4) N/A N/A 35.0
 
July 29, 2020, 1 p.m. 39.9 ppb (37) 16.5 ppb (15) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.42 ppb (5) N/A N/A 37.0
 
July 29, 2020, noon 35.2 ppb (33) 9.6 ppb (9) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.39 ppb (4) N/A N/A 33.0
 
July 29, 2020, 11 a.m. 28.2 ppb (26) 3.9 ppb (4) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.3 ppb (3) N/A N/A 26.0
 
July 29, 2020, 10 a.m. 28.6 ppb (26) 3.1 ppb (3) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) 0.31 ppb (3) N/A N/A 26.0
 
July 29, 2020, 9 a.m. 24.7 ppb (23) 1.8 ppb (2) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A N/A 23.0
 
July 29, 2020, 8 a.m. 21.3 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A N/A 20.0
 
July 29, 2020, 7 a.m. 19.0 ppb (18) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A N/A 18.0
 
July 29, 2020, 6 a.m. 21.5 ppb (20) 1.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A N/A 20.0
 
July 29, 2020, 5 a.m. 20.4 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A N/A 19.0
 
July 29, 2020, 4 a.m. 22.0 ppb (20) 1.6 ppb (1) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A N/A 20.0
 
July 29, 2020, 3 a.m. 19.6 ppb (18) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A 29.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
July 29, 2020, 2 a.m. 13.9 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 46.0 ppb (35) 0.25 ppb (3) N/A N/A 35.0
 
July 29, 2020, 1 a.m. 11.6 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 54.0 ppb (42) 0.23 ppb (3) N/A N/A 42.0
 
July 29, 2020, midnight 11.2 ppb (10) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 63.0 ppb (48) 0.24 ppb (3) N/A N/A 48.0
 
July 28, 2020, 11 p.m. 11.9 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 67.0 ppb (52) 0.26 ppb (3) N/A N/A 52.0
 
July 28, 2020, 10 p.m. 13.3 ppb (12) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 78.0 ppb (61) 0.28 ppb (3) N/A N/A 61.0
 
July 28, 2020, 9 p.m. 12.2 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 86.0 ppb (68) 0.3 ppb (3) N/A N/A 68.0
 
July 28, 2020, 8 p.m. 18.4 ppb (17) 3.1 ppb (3) N/A 15.0 ppb (14) N/A N/A 69.0 ppb (53) 0.33 ppb (4) N/A N/A 53.0
 
July 28, 2020, 7 p.m. 22.5 ppb (21) 4.6 ppb (4) N/A 18.0 ppb (17) N/A N/A 56.0 ppb (43) 0.34 ppb (4) N/A N/A 43.0
 
July 28, 2020, 6 p.m. 22.9 ppb (21) 5.6 ppb (5) N/A 17.0 ppb (16) N/A N/A 46.0 ppb (35) 0.31 ppb (3) N/A N/A 35.0
 
July 28, 2020, 5 p.m. 24.4 ppb (23) 7.5 ppb (7) N/A 17.0 ppb (16) N/A N/A 37.0 ppb (28) 0.32 ppb (4) N/A N/A 28.0
 
July 28, 2020, 4 p.m. 33.4 ppb (31) 13.1 ppb (12) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) 0.38 ppb (4) N/A N/A 31.0
 
July 28, 2020, 3 p.m. 46.1 ppb (43) 22.9 ppb (21) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.45 ppb (5) N/A N/A 43.0
 
July 28, 2020, 2 p.m. 47.1 ppb (44) 24.4 ppb (23) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.46 ppb (5) N/A N/A 44.0
 
July 28, 2020, 1 p.m. 45.0 ppb (42) 21.5 ppb (20) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.46 ppb (5) N/A N/A 42.0